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BCAR & The Technical Guidance Documents Conference 2019 Part E: Sound Building Regulations 2014

This conference focuses on the regulations and guidance for sound insulation in buildings. Learn about acceptable constructions, testing procedures, and the new certification scheme. Get all your questions answered here.

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BCAR & The Technical Guidance Documents Conference 2019 Part E: Sound Building Regulations 2014

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  1. BCAR & The Technical Guidance DocumentsConference 2019Part E: Sound

  2. BUILDINGREGULATIONS 2014 Regulation E1 – Sound Each wall and floor separating a dwelling from (a) another dwelling or dwellings, (b) other parts of the same building, (c) adjoining buildings, shall be designed and constructed in such a way so as to provide reasonable resistance to sound.

  3. BUILDINGREGULATIONS 2014 Regulation E2 – Reverberation The common internal part of a building which provides direct access to a dwelling shall be designed and constructed so as to limit reverberation in the common part to a reasonable level.

  4. Application of Part E • Amended Part E published in Dec 2014. • “Guidance … applies to works, or buildings in which a material change of use takes place, where the works or the change of use commence or takes place, as the case may be on or after 1 July 2015.” • Design and testing per the new Regulations is well established.

  5. Sound Performance Levels “In general for dwellings, the performance required by Regulation E1 should be satisfied by achieving the sound insulation performance levels as specified in Table 1...” NEW GUIDANCE

  6. Acceptable Constructions • Section 3: Separating walls and associated flanking construction details • Section 4: Separating floors and associated flanking construction details Afford prima facie compliance with Regulation E1, once performance is demonstrated through testing.

  7. Example

  8. Wall Type 1 - Solid masonry/concrete with plaster finish

  9. Wall Type 2 - Solid masonrywith dry lining

  10. Wall Type 3 - Cavity masonrywall with plaster finish

  11. Wall Type 4 - Timber framedwall with absorbent material

  12. Floor Type 1 - Resilientmaterial bonded to concrete • Includes a suspended ceiling below the concrete base.

  13. Floor Type 2 - Floating layeron concrete base • Includes a suspended ceiling below the concrete base.

  14. Floor Type 3 - Floating layeron timber base • Includes a suspended ceiling below the timber base.

  15. Site Inspections To be conducted at key milestones: • Closing up of floors and partitions; • Erection of suspended ceilings; • During façade assembly; and • Immediately prior to testing.

  16. Testing • Mandatory pre-completion testing by a competent person. • Tests to be performed on a representative sample of dwellings. • “Other” construction types require more tests, unless Assessed Sound Details. NEW GUIDANCE

  17. “Sets of Tests” • Each “set of tests” comprises a given number of airborne and, in the case of floors, impact tests. • In houses, bungalows: 2 no. airborne tests on walls. • In apartments, duplexes: 2 no. airborne tests on walls, 2 no. airborne tests on floors, 2 no. impact tests on floors.

  18. “Sets of Tests”

  19. Frequency of Testing Other Constructions TGD Constructions

  20. Assessed Sound Details (ASD’s) • Assessment/certification for constructions not listed in TGD E. • 30 no. in-situ tests, max 16 no. per site, by at least two different testers. • Report to be assessed by an independent approved body, e.g. NSAI. • Advantage: reduced testing per Table 3A.

  21. Procedure for Testingand Reporting • “Sound insulation testing should be conducted by a competent person…” • Testing per I.S. EN ISO 16283 and 3382-2, rated per I.S. EN ISO 717. • Living rooms and bedrooms >25m3 (use kitchens and dining room only where necessary).

  22. Procedure for Testingand Reporting (cont.) • Test in completed but unfurnished rooms. • Doors and windows should be closed. • Fitted units, cupboards etc. should be open and empty. • Up to two individual tests may be conducted on any given separating wall or floor.

  23. Reverberation Control Apply an acoustically absorptive material to circulation space that provides direct access access to dwellings: • Method A is based on consideration of floor areas • Method B involves calculations NEW GUIDANCE

  24. Class of Absorption

  25. Method B Example Method B results in the use of a Class D absorber instead of Class C per Method A

  26. The Need for aCertification Scheme • DECLG requested that a certification scheme should form part of the improved regime and sought an industry response. • TGD E: “Sound insulation tests carried out by a person certified by an independent third party to carry out this work offers a way of ensuring that such certification can be relied upon.”

  27. SITRI • Ireland’s certification scheme is known as SITRI, Sound Insulation Testing Register (Ireland) • The scheme database is known as VISIT, Verifying Irish Sound Insulation Tests

  28. Any Questions?

  29. Thank you for your attention

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